<template>
    <div>
   <!-- 面包屑导航 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
  <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
  <el-breadcrumb-item>商品管理</el-breadcrumb-item>
  <el-breadcrumb-item>商品列表</el-breadcrumb-item>
     </el-breadcrumb>
     <!-- 卡片视图 -->
     <el-card>
         <el-row :gutter="20">
             <el-col :span="8">
                  <el-input placeholder="请输入内容" clearable v-model="queryInfo.query" @clear="getGoodsList">
                  <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
  </el-input>
             </el-col>
             <el-col :span="4">
                 <el-button type="primary" @click="goAddpage">添加商品</el-button>
             </el-col>
         </el-row>
         <!--商品列表区域-->
         <el-table :data="goodsList" border stripe>
             <el-table-column type="index" label="#"></el-table-column>
             <el-table-column prop="goods_name" label="商品名称" width="600px"></el-table-column>
            <el-table-column prop="goods_price" label="商品价格（元）" ></el-table-column>
            <el-table-column prop="goods_weight" label="商品重量" width="200px"></el-table-column>
            <el-table-column prop="add_time" label="创建时间" width="280px">
                <template slot-scope="scope">
                     {{scope.row.add_time|dateFormat}} 
                </template>
            </el-table-column>
              <el-table-column label="操作" width="130px">
                  <template slot-scope="scope">
                       <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
                       <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeGoods(scope.row.goods_id)"></el-button>
                  </template>
                  
              </el-table-column>
         </el-table>
          <el-pagination
                 @size-change="handleSizeChange"
                 @current-change="handleCurrentChange"
                  :current-page="queryInfo.pagenum"
                  :page-sizes="[10, 20, 50, 100]"
                  :page-size="queryInfo.pagesize"
                  layout="total, sizes, prev, pager, next, jumper"
                  :total="total" background>
          </el-pagination>
     </el-card>


    </div>
</template>

<style lang="less" scoped>

</style>

<script>
export default {
    data(){
        return{
            //需要查询的参数对象
            queryInfo:{
                 query:'',
                 pagenum:1,
                 pagesize:10
            },
           goodsList:[],
           total:0     
              }
    },
    created(){
        this.getGoodsList();
    },
    methods:{
        //根据分页获取对应的商品列表
        async getGoodsList(){
         const {data:res} = await this.$http.get(`goods`,{params:this.queryInfo})
         if(res.meta.status!=200){
            return  this.$message.error('获取分页商品列表数据失败');
         }
         console.log(res.data)
         this.goodsList = res.data.goods
         this.total = res.data.total
         this.$message.success('获取分页商品列表数据成功')
         },
         //分页功能改变每页的数据条数触发
         handleSizeChange(newSize){
             this.queryInfo.pagesize = newSize
             this.getGoodsList()
         },
         //分页功能改变当前页数触发
         handleCurrentChange(newPage){
           this.queryInfo.pagenum = newPage
           this.getGoodsList()
         },
         //删除指定商品
        async removeGoods(goods_id){
              const confirmResult = await this.$confirm('此操作将永久删除该参数, 是否继续?', '提示',
         {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err=>err)
            //用户取消了删除的操作
        if(confirmResult!=='confirm'){
            return this.$message.info('已取消删除')
        }
     const {data:res} = await this.$http.delete(`goods/${goods_id}`)
      if(res.meta.status!=200){
          return this.$message.error("删除失败!")
      }
         this.$message.success('删除成功!')
         this.getGoodsList()
         },
      //点击按钮添加商品
        goAddpage(){
          this.$router.push('/goods/add')
          console.log('已跳转')
        }
    },

}
</script>